Are the below sentences correct? Please advise.

  1. The length of time you get to spend in the play room will depend on how many people sign up on the list after you. If there are nobody sign up on the list after you, then there is no time limit.
  2. The length of time you get to spend in the play room will depend on how many people sign up on the list after you. If nobody sign up after you and if there are people that sign up after you and the play room is still within the capacity limit then there is no time limit.
  3. I will allow the customer that are behind you on the list to go in to the play room first while you wait for your friend.
  4. This experience will enable you to feel love and compassion in the most profound ways.

Are the above sentences correct? Please advise.

All of them are far too over-complicated and contain too much unnecessary detail!

1/2) During busy periods the available time you can spend in the playroom will be limited. At quiet times there may be no time limit.
3) I will allow the customer after you to go first while you wait for your friend.
4) This experience will help you feel profound love and compassion.